Means for generatively finishing involute gears



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MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sept. '7. 1954 25 Sheets-Sheet 2 P1 H. CLEFF June 2, 19 59 MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sept. 7. 1954 23 Sheets-Sheet 3 v l n ventof m aw Byfin94d Attorney June 2, 1959 2,888,784.

MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS,

P. H. 'CLEFF 23 Sheets-Sheet 4 v Filed Sept. 7. 1954 I Inventor m. hi my;

BY 43M fig Attorney P. H. CLEFF June 2, 1959 MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS 25 Sheets-Sheet 5 Filed Sept. 7. 1954 Allorne y June 2, 1959 I. P. H. CLEFF 2,888,784

MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sgpt. 7. 1954 25 Sheets-Sheet 6 n (sec% secg sc Inventor ydm 5 M Attorney June 2, 1959 PLH. CLEFF 8 MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sept. 7. 1954 23 Sheets-Sheet 7 F/G. /O.

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MEANS FOR GENERATIVELY FINISHINGINVOLUTE GEARS Filed Sept. 7. 1954 2s sheets-sheet s 40- I MM n-- -amsm Roms-0000' ERROR ClRVES FOR nw inwlwficnlxmsm 7 ORDINATE MAGNIFICATION =40x Inventor A ttorney June 2, 1959 c 2,888,784

MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sept. '7. 1954 q 25 Sheets-Sheet 9 mvoLu TE cunveT z-s uucomzcrzn v v CURVE n-s-o UNCORRECTEIJ v 6- CAM PROFILE on sfmse gmcua WITH 6' RADIUS 'POINT FOLLOWER oscvufima CIRCLE T0 CAM PROFILE il AM A Home y June 2, 1959 Filed S ept. 7. 1954 P. H. CLEFF J-cURvE FOR n= 2+3 8 W (l-cosq1)=n (lycosecwl) MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS 23 Sheets-Sheet l0 MAXIMUM S 26-706 (0 =19'30) i 25 INVOLUTE ANGLE 53 l P PT 0 n (u cOsecL -Q-HE W 6 PROFILE ERROR CURVE MM) FOR INCH,

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Attorney P. H. CLEFF June 2, 1959 MEANS FOR GENERATIVELY FINISHING INVOLUTE. GEARS 23 Sheets-Sheet 11 Filed Sept. 7. 1954 TANGENI T0 BAE ClR C l, AT ORIGIN OF INVOLUTE m a w a 0 0 2- uuwsfa u mm w a m m M Q wBQmSQ 4 0 0 m wm Mm 4 sfi 4 9:2 1. H

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A ttorney June 1959 P. H. CLEFF MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS 25 Sheds-Sheet 12 Filed Sept. -7. 1954 June 2, 1959 P. HQCLEFF 2,883,784

MEANS FOR GENERATJYIVELY FINISHING INVOLUTE GEARS Fil ed Sept. 7. 1954 25 Sheets-Sheet 13 Inventor A ttorney P. H. CLEFF June 2, 19 5 9 MEANS FOR GENERATIVELY FINISHING INVOLUTE. GEARS 23 Sheets-Sheet 14 Filed Sept.. 7. 1954 In venlor A [tom 2 y June 2, 1959 Pia CLEFF 2,888,734

MEANS FOR GENERATIVELY musamc INVOLUTE GEARS Filed Sept.- 7. 1954 23 Sheets-Sheet 15 y? a M A ttom e y June 1959 P. H. CLEFF ,888,784 v MEANS FOR GENERATIVEL! FINISHING INVOLUTE GEARS Filed Sept. 7. 1954 Y 23 sheets-sheet 1e A ltornev P. H. CLEFF Jun 2, 1 959 zs sneets-sheet 17 Filed Sept. 7. 1954 w 1 M w 2 M 7 6 2 a v a June 1959 P. H. CLEFF 8 ,784

MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS Filed Sept. 7. 1954 V 2a Sheets-Sheet 1s Inventor. 7 mm, :4

WAHM A Home y June 2, 1959 2,888,784 MEANS FOR GENERATIVELY FINISHING INVOLLiTE GEARS 25 Sheets-Sheet 19 Filed Sept. 7. 1954 In ventor ma a M Attorney June 2, 1959 P. H. 'CLEFF MEANS FOR GENERATIVELY FINISHING INVOLUTE GEARS 23 Sheds-Sheet 20 Filed Sept. 7. 1954 r 0 t R e w I 

